From ce27aac6ea9503ae4be0f65423424d92a714d9da Mon Sep 17 00:00:00 2001 From: John Crispin Date: Thu, 11 Aug 2011 14:09:35 +0200 Subject: [PATCH 10/73] MIPS: lantiq: add support for the EASY98000 evaluation board This patch adds the machine code for the EASY9800 evaluation board. Signed-off-by: Thomas Langer Signed-off-by: John Crispin --- arch/mips/lantiq/falcon/Kconfig | 11 +++ arch/mips/lantiq/falcon/Makefile | 1 + arch/mips/lantiq/falcon/mach-easy98000.c | 110 ++++++++++++++++++++++++++++++ arch/mips/lantiq/machtypes.h | 5 ++ 4 files changed, 127 insertions(+), 0 deletions(-) create mode 100644 arch/mips/lantiq/falcon/Kconfig create mode 100644 arch/mips/lantiq/falcon/mach-easy98000.c diff --git a/arch/mips/lantiq/falcon/Kconfig b/arch/mips/lantiq/falcon/Kconfig new file mode 100644 index 0000000..03e999d --- /dev/null +++ b/arch/mips/lantiq/falcon/Kconfig @@ -0,0 +1,11 @@ +if SOC_FALCON + +menu "MIPS Machine" + +config LANTIQ_MACH_EASY98000 + bool "Easy98000" + default y + +endmenu + +endif diff --git a/arch/mips/lantiq/falcon/Makefile b/arch/mips/lantiq/falcon/Makefile index de72209..56b22eb 100644 --- a/arch/mips/lantiq/falcon/Makefile +++ b/arch/mips/lantiq/falcon/Makefile @@ -1 +1,2 @@ obj-y := clk.o prom.o reset.o sysctrl.o devices.o gpio.o +obj-$(CONFIG_LANTIQ_MACH_EASY98000) += mach-easy98000.o diff --git a/arch/mips/lantiq/falcon/mach-easy98000.c b/arch/mips/lantiq/falcon/mach-easy98000.c new file mode 100644 index 0000000..361b8f0 --- /dev/null +++ b/arch/mips/lantiq/falcon/mach-easy98000.c @@ -0,0 +1,110 @@ +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + * + * Copyright (C) 2011 Thomas Langer + * Copyright (C) 2011 John Crispin + */ + +#include +#include +#include +#include +#include + +#include "../machtypes.h" + +#include "devices.h" + +static struct mtd_partition easy98000_nor_partitions[] = { + { + .name = "uboot", + .offset = 0x0, + .size = 0x40000, + }, + { + .name = "uboot_env", + .offset = 0x40000, + .size = 0x40000, /* 2 sectors for redundant env. */ + }, + { + .name = "linux", + .offset = 0x80000, + .size = 0xF80000, /* map only 16 MiB */ + }, +}; + +struct physmap_flash_data easy98000_nor_flash_data = { + .nr_parts = ARRAY_SIZE(easy98000_nor_partitions), + .parts = easy98000_nor_partitions, +}; + +/* setup gpio based spi bus/device for access to the eeprom on the board */ +#define SPI_GPIO_MRST 102 +#define SPI_GPIO_MTSR 103 +#define SPI_GPIO_CLK 104 +#define SPI_GPIO_CS0 105 +#define SPI_GPIO_CS1 106 +#define SPI_GPIO_BUS_NUM 1 + +static struct spi_gpio_platform_data easy98000_spi_gpio_data = { + .sck = SPI_GPIO_CLK, + .mosi = SPI_GPIO_MTSR, + .miso = SPI_GPIO_MRST, + .num_chipselect = 2, +}; + +static struct platform_device easy98000_spi_gpio_device = { + .name = "spi_gpio", + .id = SPI_GPIO_BUS_NUM, + .dev.platform_data = &easy98000_spi_gpio_data, +}; + +static struct spi_eeprom at25160n = { + .byte_len = 16 * 1024 / 8, + .name = "at25160n", + .page_size = 32, + .flags = EE_ADDR2, +}; + +static struct spi_board_info easy98000_spi_gpio_devices __initdata = { + .modalias = "at25", + .bus_num = SPI_GPIO_BUS_NUM, + .max_speed_hz = 1000 * 1000, + .mode = SPI_MODE_3, + .chip_select = 1, + .controller_data = (void *) SPI_GPIO_CS1, + .platform_data = &at25160n, +}; + +static void __init +easy98000_init_common(void) +{ + spi_register_board_info(&easy98000_spi_gpio_devices, 1); + platform_device_register(&easy98000_spi_gpio_device); +} + +static void __init +easy98000_init(void) +{ + easy98000_init_common(); + ltq_register_nor(&easy98000_nor_flash_data); +} + +static void __init +easy98000nand_init(void) +{ + easy98000_init_common(); + falcon_register_nand(); +} + +MIPS_MACHINE(LANTIQ_MACH_EASY98000, + "EASY98000", + "EASY98000 Eval Board", + easy98000_init); + +MIPS_MACHINE(LANTIQ_MACH_EASY98000NAND, + "EASY98000NAND", + "EASY98000 Eval Board (NAND Flash)", + easy98000nand_init); diff --git a/arch/mips/lantiq/machtypes.h b/arch/mips/lantiq/machtypes.h index 7e01b8c..dfc6af7 100644 --- a/arch/mips/lantiq/machtypes.h +++ b/arch/mips/lantiq/machtypes.h @@ -15,6 +15,11 @@ enum lantiq_mach_type { LTQ_MACH_GENERIC = 0, LTQ_MACH_EASY50712, /* Danube evaluation board */ LTQ_MACH_EASY50601, /* Amazon SE evaluation board */ + + /* FALCON */ + LANTIQ_MACH_EASY98000, /* Falcon Eval Board, NOR Flash */ + LANTIQ_MACH_EASY98000SF, /* Falcon Eval Board, Serial Flash */ + LANTIQ_MACH_EASY98000NAND, /* Falcon Eval Board, NAND Flash */ }; #endif -- 1.7.9.1